用分块矩阵法讨论了参数线性规划问题的求解方法，并给出了一般的公式。

The solution to the problem of parametric linear programming by lumped matrix is discussed and ordinary method is given.

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特种变压器电磁参数的优化设计是一个带有等式和不等式约束，满足某种设计目标的非线性规划问题。

Optimization mathematical model of special transformer electromagnetism parameters is a nonlinear programming problem with equality and inequality constraints, to meet some certain design objective.

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钢管订购和运输中的参数优化问题是个复杂的非线性规划问题。

It's a complex nonlinear programming question to find the optimization parameter in the Ordering and transporting of steel tube.

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